/Engine/Source/Editor/Kismet/Public/BlueprintNamespaceRegistry.h
Also note if a registered path is removed, inclusive paths may still be valid. For instance, if both "MyProject.MyNamespace" and "MyProject.MyNamespace_2" are registered paths, and "MyProject.MyNamespace_2" is removed, "MyProject" is still an inclusive path.
TRUE if the given path identifier is inclusive of any registered paths.
bool IsInclusivePath ( const [FString](API\Runtime\Core\Containers\FString) & InPath ) const